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- ›Littorina
Rough Periwinkle
Littorina saxatilis
Littorina saxatilis, common name the rough periwinkle, is a species of small sea snail, a marine gastropod mollusc in the family Littorinidae, the winkles or periwinkles. First identified in the 1700s, it has been misidentified as a new species 112 times.
From the article Littorina saxatilis on Wikipedia (CC BY-SA), quoted section by section
Range & habitat
This species is native to the shores of the North Atlantic Ocean, including Hudson Bay, Baffin Island, Greenland, and the Barents Sea, south along the American East Coast to Chesapeake Bay, and along the European coast to the Straits of Gibraltar. Only one population of this intertidal species occurred in the Mediterranean basin i.e., Venice lagoon. The Venice population represents the earliest confirmed introduction of an exotic species in the Mediterranean Sea. Abiotic environmental features such as salinity and water temperature have influenced the past and current distributions of this snail and limited its invasion of the Mediterranean Sea. This species has also been introduced to San Francisco Bay, on the West Coast of the United States, where it was first observed in 1992.
Wikipedia: “Distribution”
What it does
The marine snail Littorina saxatilis has separate sexes, internal fertilization, and a brood pouch with non-planktonic shelled embryos.
Wikipedia: “Life cycle”
Where it lives
Recorded sightings
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geo-referenced records in GBIF, from museums, herbaria and field observers.
Drag the globe to turn it. Dots are where records exist, not a range map; darker means more records.
In the stacks
Searching the stacks…
Every page naming Littorina saxatilis in the Biodiversity Heritage Library →
This page is assembled live from iNaturalist, GBIF, Wikipedia, the Source Library and the Internet Archive. It is not yet part of the hand-edited codex. iNaturalist taxon 68554.